1. 打开新的窗口并传送参数:
^J%
w[FE HTqik w5X 传送参数:
A v2 _A response.write("<script>window.open(’*.aspx?id="+this.DropDownList1.SelectIndex+"&id1="+...+"’)</script>")
Wq{' ZN 6l_8Q w*5I 接收参数:
G|O"Kv6 string a = Request.QueryString("id");
KktTR`W string b = Request.QueryString("id1");
La9@h" =m/2)R{ 2.为按钮添加对话框
L<QDC Button1.Attributes.Add("onclick","return confirm(’确认?’)");
Y6N+,FAk+J button.attributes.add("onclick","if(confirm(’are you sure...?’)){return true;}else{return false;}")
Gj)Qw6
!-MG"\#Wq 3.删除表格选定记录
RmNF]"3% int intEmpID = (int)MyDataGrid.DataKeys[e.Item.ItemIndex];
qw, >~ string deleteCmd = "DELETE from Employee where emp_id = " + intEmpID.ToString()
gdG:
&{|x t3s}U@(C 4.删除表格记录警告
y mE`V private void DataGrid_ItemCreated(Object sender,DataGridItemEventArgs e)
/Cg/Rwl {
2Q k\}KWs switch(e.Item.ItemType)
lmc-ofEv {
T8m%_U#b case ListItemType.Item :
W@S9}+wl* case ListItemType.AlternatingItem :
ah<f&2f case ListItemType.EditItem:
Ol-'2l TableCell myTableCell;
eD(a
+El} myTableCell = e.Item.Cells[14];
/6.b>|zF LinkButton myDeleteButton ;
:YI>AaYWDO myDeleteButton = (LinkButton)myTableCell.Controls[0];
./g#< myDeleteButton.Attributes.Add("onclick","return confirm(’您是否确定要删除这条信息’);");
kt:%]ZZL break;
dk]ro~ [ default:
HZ}'W<N break;
=~S
}
Qv=Z :OZhEBL&b }
KWH Oxvw`a# 5.点击表格行链接另一页
`&6]P :_qp private void grdCustomer_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
>k jJq]A2 {
"|%fAE //点击表格打开
ujh4cp if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
;(,Fe/wvC e.Item.Attributes.Add("onclick","window.open(’Default.aspx?id=" + e.Item.Cells[0].Text + "’);");
l`]!)j|+ }
O:x%!-w xd.C&Dx5 双击表格连接到另一页
e+WVN5"ID> |Wgab5D>V 在itemDataBind事件中
]z%9Q8q' if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
iau&k`b` {
aKy|$
{RC string OrderItemID =e.item.cells[1].Text;
"8]170 ...
el%Qxak`" e.item.Attributes.Add("ondblclick", "location.href=’../ShippedGrid.aspx?id=" + OrderItemID + "’");
BYf"l8^, }
DIAP2LR ? zE/(F;> FV 双击表格打开新一页
QMY4%uyY! if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
[ub\DLl {
(jG$M= q- string OrderItemID =e.item.cells[1].Text;
2Qj)@&zKe# ...
PsnU5f)` e.item.Attributes.Add("ondblclick", "open(’../ShippedGrid.aspx?id=" + OrderItemID + "’)");
MO/N*4U2 }
hzb|: 1aG}-:$t' ★特别注意:【?id=】 处不能为 【?id =】
J;`~
!g 6.表格超连接列传递参数
U8KY/!XZ <asp:HyperLinkColumn Target="_blank" headertext="ID号" DataTextField="id" NavigateUrl="aaa.aspx?id=’
?OyW|jL <%# DataBinder.Eval(Container.DataItem, "数据字段1")%>’ & name=’<%# DataBinder.Eval(Container.DataItem, "数据字段2")%>’ />
QR'g*Bro bYc qscW 7.表格点击改变颜色
bg}77Y'^ if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
-c@ 5qe> {
'[^2uQc e.Item.Attributes.Add("onclick","this.style.backgroundColor=’#99cc00’;
$H} Mn"G this.style.color=’buttontext’;this.style.cursor=’default’;");
zOdKB2_J7 }
Rp*t"HSaAW |Ze}bM=N 写在DataGrid的_ItemDataBound里
{eEWfMKIn if (e.Item.ItemType == ListItemType.Item ||e.Item.ItemType == ListItemType.AlternatingItem)
]:s|.C%q I {
{Xd5e@:Js e.Item.Attributes.Add("onmouseover","this.style.backgroundColor=’#99cc00’;
>}*jsqaVU this.style.color=’buttontext’;this.style.cursor=’default’;");
CF"3<*%x e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=’’;this.style.color=’’;");
oZ[ w }
;hJ*u :<8V2 HPKyAcS\ 8.关于日期格式
DG?\6Zh oJT@'{;*z 日期格式设定
]#.&f]6l DataFormatString="{0:yyyy-MM-dd}"
J)|K/W9 H>iZVE 我觉得应该在itembound事件中
~HRWKPb e.items.cell["你的列"].text=DateTime.Parse(e.items.cell["你的列"].text.ToString("yyyy-MM-dd"))
R} 9jgB 7=A9E]: 9.获取错误信息并到指定页面
*AR<DXEL l:yAgm` 不要使用Response.Redirect,而应该使用Server.Transfer
d}cJ5!d G%R`)Z]8& e.g
SfSEA^@| // in global.asax
4(GgaQFO? protected void Application_Error(Object sender, EventArgs e) {
C*e[CP@u if (Server.GetLastError() is HttpUnhandledException)
uN3J)@;_ Server.Transfer("MyErrorPage.aspx");
4S9,
tc& p!QneeA`&X //其余的非HttpUnhandledException异常交给ASP.NET自己处理就okay了 :)
G0Tc}_o<Y }
W?J[K;< kdPm # $- Redirect会导致post-back的产生从而丢失了错误信息,所以页面导向应该直接在服务器端执行,这样就可以在错误处理页面得到出错信息并进行相应的处理
!&jgcw/E W(lKR_pF 10.清空Cookie
KqUSTR1e[ Cookie.Expires=[DateTime];
~LW%lMy;^| Response.Cookies("UserName").Expires = 0
/1#Q=T
=1OAy`8 11.自定义异常处理
_m?(O /BTx //自定义异常处理类
Xb:BIp!e using System;
P^m 6di using System.Diagnostics;
D4 ]B> [pFu
]^X namespace MyAppException
8 E+C:" {
n9fA!Wic /// <summary>
lrX0c$) /// 从系统异常类ApplicationException继承的应用程序异常处理类。
jy@i(@Z /// 自动将异常内容记录到Windows NT/2000的应用程序日志
)'dH}3Ba /// </summary>
=/QU$[7X( public class AppException:System.ApplicationException
;(0$~O$3u {
.C;_4jE public AppException()
?r E]s!K {
OPt;G,$ta if (ApplicationConfiguration.EventLogEnabled)LogEvent("出现一个未知错误。");
A1t~&? }
5h=TV .A!0.M| public AppException(string message)
ytV)!xe {
P:,
x?T?J^ LogEvent(message);
^N2M/B|0 }
]v\egfW,W MAD}Tv\S7 public AppException(string message,Exception innerException)
FJ(B]n[> {
?7nr\g"g( LogEvent(message);
V>j hGf if (innerException != null)
K7xWE,y {
}B9~X LogEvent(innerException.Message);
"$IXZ }
I`'a' }
1^f.5@tV ~l*?D7[o //日志记录类
D_n}p8blT using System;
$S=~YzO using System.Configuration;
}uI7\\S using System.Diagnostics;
ImV]}M~_ using System.IO;
9sU+IT K4 using System.Text;
8 ih;#I=q using System.Threading;
JYg% ~tW' o`\.I&Ij namespace MyEventLog
bKuj
po6 {
"7yNKO;W /// <summary>
M .)}e7 /// 事件日志记录类,提供事件日志记录支持
45+%K@@x /// <remarks>
5K ,#4EOV /// 定义了4个日志记录方法 (error, warning, info, trace)
/$9BPjO{ /// </remarks>
J}(6>iuQY? /// </summary>
q1f=&kGX~ public class ApplicationLog
)W`SC mr] {
)>y
k- /// <summary>
a;"Uz|rz /// 将错误信息记录到Win2000/NT事件日志中
I%9bPQ /// <param name="message">需要记录的文本信息</param>
x*h?%egB!p /// </summary>
V \6(d public static void WriteError(String message)
WgA`kT {
T3Frc ]6,4 WriteLog(TraceLevel.Error, message);
Z6Nj<2u2 }
U!c]_q I( ]BMMj /// <summary>
IX<r5!
/// 将警告信息记录到Win2000/NT事件日志中
F&QTL-pQW /// <param name="message">需要记录的文本信息</param>
[IX*sr /// </summary>
s) Cpi public static void WriteWarning(String message)
EJZ@p7*Oj {
)?w&oIj5 WriteLog(TraceLevel.Warning, message);
A3AP51
! }
Ys-Keyg +7Yu^& /// <summary>
_i3i HR? /// 将提示信息记录到Win2000/NT事件日志中
Ag0]U /// <param name="message">需要记录的文本信息</param>
J=UZ){c>:. /// </summary>
tTotPPZf} public static void WriteInfo(String message)
*Ph]F$ZP {
aje^Z=] WriteLog(TraceLevel.Info, message);
~~PgF"v }
8HMo.*Ti9 /// <summary>
?75\>NiR /// 将跟踪信息记录到Win2000/NT事件日志中
u]HS(B,ht /// <param name="message">需要记录的文本信息</param>
l8z%\p5cR /// </summary>
a{h%DpG public static void WriteTrace(String message)
I-xwJi9?, {
Nd`HB=ShJ WriteLog(TraceLevel.Verbose, message);
xE%O:a?S }
HOE2*4r _=ugxL #eB /// <summary>
Fse['O~ /// 格式化记录到事件日志的文本信息格式
SO`dnf /// <param name="ex">需要格式化的异常对象</param>
1h2H1gy5I3 /// <param name="catchInfo">异常信息标题字符串.</param>
TfJL+a0 /// <retvalue>
EYG"49
c /// <para>格式后的异常信息字符串,包括异常内容和跟踪堆栈.</para>
M
Hg6PQIB /// </retvalue>
(vKI1^, /// </summary>
$,TGP+vH public static String FormatException(Exception ex, String catchInfo)
rJu[N(2k {
~z5@V5z StringBuilder strBuilder = new StringBuilder();
lr WLN if (catchInfo != String.Empty)
E#8_hT]5 {
l]H0g[ strBuilder.Append(catchInfo).Append("\r\n");
>9=:sSQu }
G]4OFz+ strBuilder.Append(ex.Message).Append("\r\n").Append(ex.StackTrace);
vv &BhIf3 return strBuilder.ToString();
Km,*)X.-5 }
8W;2oQN7 =L"^.c@ /// <summary>
`m%:rE, /// 实际事件日志写入方法
(3VGaUlx /// <param name="level">要记录信息的级别(error,warning,info,trace).</param>
1Y#HcW& /// <param name="messageText">要记录的文本.</param>
M ?*Tf& /// </summary>
lyyX<=E{) private static void WriteLog(TraceLevel level, String messageText)
bj}=8k0 {
Y9u;H^^G try
~].ggcl`w {
DR@1z9 a EventLogEntryType LogEntryType;
D<t~e$ H switch (level)
i?;R}%~ {
9${Xer' case TraceLevel.Error:
qaG# ; LogEntryType = EventLogEntryType.Error;
A " S/^< break;
Fnb2.R'+ case TraceLevel.Warning:
B_k2u LogEntryType = EventLogEntryType.Warning;
K'aWCscM break;
` H
XEZ| case TraceLevel.Info:
OP%?dh] LogEntryType = EventLogEntryType.Information;
|CIC$2u break;
GX?*1 case TraceLevel.Verbose:
J -V49X# LogEntryType = EventLogEntryType.SuccessAudit;
FRZs[\I|iT break;
lZWK2 default:
x6;j<m5Mjx LogEntryType = EventLogEntryType.SuccessAudit;
Dx-KMiQ,"( break;
+@<KC }
,%W<O. ^aF8wbuZ EventLog eventLog = new EventLog("Application", ApplicationConfiguration.EventLogMachineName, ApplicationConfiguration.EventLogSourceName );
{q3:Z{#>7 //写入事件日志
oY=1C} eventLog.WriteEntry(messageText, LogEntryType);
q'G,!];qL {Dr@HP/x=s }
:!Ig- +W catch {} //忽略任何异常
<7XT\?%F }
9o0!m Cq } //class ApplicationLog
S1J<9xqSQ8 }
g=l:cVr8y iiG f'@/ 12.Panel 横向滚动,纵向自动扩展
syPWs57pH <asp:panel style="overflow-x:scroll;overflow-y:auto;"></asp:panel>
QI}E4-s8 ^"i~DC 13.回车转换成Tab
JObMZA$ <script language="javascript" for="document" event="onkeydown">
uD9|.P} if(event.keyCode==13 && event.srcElement.type!=’button’ && event.srcElement.type!=’submit’ && event.srcElement.type!=’reset’ && event.srcElement.type!=’’&& event.srcElement.type!=’textarea’);
F|+W.9 event.keyCode=9;
P0Z!?`e=M </script>
j1-,Sqi j_cs;G: " onkeydown="if(event.keyCode==13) event.keyCode=9"
hhI)' $ ycAKK?O* 14.DataGrid超级连接列
)ev<7g9*q DataNavigateUrlField="字段名" DataNavigateUrlFormatString="
http://xx/inc/delete.aspx?ID={0}"
831JwSR atF?OP|{,w 15.DataGrid行随鼠标变色
ds:->+o private void DGzf_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
)G1P^WV4 {
A,gEM4 if (e.Item.ItemType!=ListItemType.Header)
mQ~:Y {
]J7Qgp)i e.Item.Attributes.Add( "onmouseout","this.style.backgroundColor=\""+e.Item.Style["BACKGROUND-COLOR"]+"\"");
z=7|{ G e.Item.Attributes.Add( "onmouseover","this.style.backgroundColor=\""+ "#EFF3F7"+"\"");
>[10H8~bI/ }
I+(/TP }
ZD>a>]
#^#HuDH 16.模板列
wzCUZ1N9q <ASP:TEMPLATECOLUMN visible="False" sortexpression="demo" headertext="ID">
\]4v_! <ITEMTEMPLATE>
zDTv\3rZ4X <ASP:LABEL text=’<%# DataBinder.Eval(Container.DataItem, "ArticleID")%>’ runat="server" width="80%" id="lblColumn" />
3< Od0J </ITEMTEMPLATE>
Z{6kWA3Kk </ASP:TEMPLATECOLUMN>
#/2$+x _aWl]I){5 <ASP:TEMPLATECOLUMN headertext="选中">
rQ`i8GF <HEADERSTYLE wrap="False" horizontalalign="Center"></HEADERSTYLE>
q`NXJf=sc <ITEMTEMPLATE>
J%lgR <ASP:CHECKBOX id="chkExport" runat="server" />
!p/%lU65 </ITEMTEMPLATE>
``VW;l{ <EDITITEMTEMPLATE>
PQN@JaD <ASP:CHECKBOX id="chkExportON" runat="server" enabled="true" />
2i{cQ96 </EDITITEMTEMPLATE>
ikD1N </ASP:TEMPLATECOLUMN>
}~K`/kvs pCh2SQ(Q> 后台代码
`o]g~AKX protected void CheckAll_CheckedChanged(object sender, System.EventArgs e)
}Ew hj>w {
)rW&c-' //改变列的选定,实现全选或全不选。
=Z=o#46JY CheckBox chkExport ;
QqNW}:# if( CheckAll.Checked)
~S,p?I {
7\]E~/g foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
(;Y8pKl1e {
mE`kjmX{ E chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
*]hBGr#6 chkExport.Checked = true;
-HSs^dP` }
O,aS`u & }
Q+4tIrd+ else
4P^6oh0" {
wo_,Y0vfB foreach(DataGridItem oDataGridItem in MyDataGrid.Items)
X\EVTd)@ {
rc&%m chkExport = (CheckBox)oDataGridItem.FindControl("chkExport");
;%tF58& chkExport.Checked = false;
!EUan }
W>-Et7&2 }
!*- >;:9B }
"ju6XdZo AJ#Nenmj 17.数字格式化
g&/T*L N?Lb 【<%#Container.DataItem("price")%>的结果是500.0000,怎样格式化为500.00?】
(/35pg6\ <%#Container.DataItem("price","{0:¥#,##0.00}")%>
V#VN%{ )K &( int i=123456;
eX@L3BKp string s=i.ToString("###,###.00");
n ; {76Q Eke5Nb 18.日期格式化
2eMTxwt*S A}eOFu`
【aspx页面内:<%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date")%>
<b,~:9*? D3|I:Xm 显示为: 2004-8-11 19:44:28
~69&6C1Ch sr8cYLm5R 我只想要:2004-8-11 】
.W js~0c <%# DataBinder.Eval(Container.DataItem,"Company_Ureg_Date","{0:yyyy-M-d}")%>
!47n[Zs wI(M^8F_Mf 应该如何改?
;!yQ 6j
~#[ 【格式化日期】
|\pbir 3Z1CWzq( 取出来,一般是object((DateTime)objectFromDB).ToString("yyyy-MM-dd");
S]+:{9d TYW&!sm 【日期的验证表达式】
d3xmtG {i 'inFKy'H A.以下正确的输入格式: [2004-2-29], [2004-02-29 10:29:39 pm], [2004/12/31]
^0Mt*e{q ^((\d{2}(([02468][048])|([13579][26]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|([1-2][0-9])))))|(\d{2}(([02468][1235679])|([13579][01345789]))[\-\/\s]?((((0?[13578])|(1[02]))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\-\/\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\-\/\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))(\s(((0?[1-9])|(1[0-2]))\:([0-5][0-9])((\s)|(\:([0-5][0-9])\s))([AM|PM|am|pm]{2,2})))?$
Dh=9Gns9 E>K!Vrh-L B.以下正确的输入格式:[0001-12-31], [9999 09 30], [2002/03/03]
{;2PL^i ^\d{4}[\-\/\s]?((((0[13578])|(1[02]))[\-\/\s]?(([0-2][0-9])|(3[01])))|(((0[469])|(11))[\-\/\s]?(([0-2][0-9])|(30)))|(02[\-\/\s]?[0-2][0-9]))$
wpN=,&! GWfL 【大小写转换】
LGn:c; HttpUtility.HtmlEncode(string);
'dn]rV0(C HttpUtility.HtmlDecode(string)
]9^sa-8 1jcouD5?H 19.如何设定全局变量
{tWf ')cMiX\v Global.asax中
K|epPGRr y gz6C Application_Start()事件中
z:wutqru x<ZJb 添加Application[属性名] = xxx;
aht[4(XH5 lgk.CC 就是你的全局变量
GB=X5<; $|@
( 20.怎样作到HyperLinkColumn生成的连接后,点击连接,打开新窗口?
uI )6M glDu2a,Q HyperLinkColumn有个属性Target,将器值设置成"_blank"即可.(Target="_blank")
%WjXg:R MDn ua 【ASPNETMENU】点击菜单项弹出新窗口
<<][hQs 8<QdMkI 在你的menuData.xml文件的菜单项中加入URLTarget="_blank",如:
&OH={Au <?xml version="1.0" encoding="GB2312"?>
W:pIPDx1=! <MenuData ImagesBaseURL="images/">
)6Fok3u <MenuGroup>
S4_YT@VD% <MenuItem Label="内参信息" URL="Infomation.aspx" >
P/W
XaE4 <MenuGroup ID="BBC">
QTk}h_<u <MenuItem Label="公告信息" URL="Infomation.aspx" URLTarget="_blank" LeftIcon="file.gif"/>
GjvOM y <MenuItem Label="编制信息简报" URL="NewInfo.aspx" LeftIcon="file.gif" />
#Lh;CSS ......
R{SF(g3 +~ P2C6@G 最好将你的aspnetmenu升级到1.2版
n{argI8wF rlOAo`hd 21.读取DataGrid控件TextBox值
f.KN-f8<F foreach(DataGrid dgi in yourDataGrid.Items)
OrY/`+Cog {
G[uK -U TextBox tb = (TextBox)dgi.FindControl("yourTextBoxId");
<L8'! q} tb.Text....
P@V0Mi), }
rZ}:Z'` kTOzSiq 23.在DataGrid中有3个模板列包含Textbox分别为 DG_ShuLiang (数量) DG_DanJian(单价) DG_JinE(金额)分别在5.6.7列,要求在录入数量及单价的时候自动算出金额即:数量*单价=金额还要求录入时限制为 数值型.我如何用客户端脚本实现这个功能?
y51e%n$ DEKP5?] 〖思归〗
$9_xGfx} <asp:TemplateColumn HeaderText="数量">
Y!w`YYKP <ItemTemplate>
*&^Pj%DX <asp:TextBox id="ShuLiang" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_ShuLiang")%>’
yg<R=$n,Q onkeyup="javascript:DoCal()"
/~%&vpF-L
/>
) j#`r/ 2*;~S44 <asp:RegularExpressionValidator id="revS" runat="server" ControlToValidate="ShuLiang" ErrorMessage="must be integer" ValidationExpression="^\d+$" />
#wwH m3 </ItemTemplate>
_)3|f<E_t) </asp:TemplateColumn>
*K8$eDNZ '}53f2%gKa <asp:TemplateColumn HeaderText="单价">
8mvy\l
EEH <ItemTemplate>
BU/"rv"(Fg <asp:TextBox id="DanJian" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_DanJian")%>’
_7Ju onkeyup="javascript:DoCal()"
>
PRFWO />
5}l[>lF e:DCej^z <asp:RegularExpressionValidator id="revS2" runat="server" ControlToValidate="DanJian" ErrorMessage="must be numeric" ValidationExpression="^\d+(\.\d*)?$" />
~D j8z+^ l` lk-nb </ItemTemplate>
i#n0U/ </asp:TemplateColumn>
r,73C/*&/ *SJ_z(CZm <asp:TemplateColumn HeaderText="金额">
>C>.\ <ItemTemplate>
J5K^^RUR <asp:TextBox id="JinE" runat=’server’ Text=’<%# DataBinder.Eval(Container.DataItem,"DG_JinE")%>’ />
F]O`3e=! </ItemTemplate>
?=sDM& ' </asp:TemplateColumn><script language="javascript">
#jvtUS \ function DoCal()
`,<BCu {
;WQve_\ var e = event.srcElement;
8b&/k8i: var row = e.parentNode.parentNode;
w,.TTTad var txts = row.all.tags("INPUT");
hE D}h![ if (!txts.length || txts.length < 3)
|tH4:%Q' return;
0
1rK8jX i>`%TW:g var q = txts[txts.length-3].value;
^}=,g var p = txts[txts.length-2].value;
!c
Hum `Y$4 H,8L if (isNaN(q) || isNaN(p))
eF$x 1| return;
%$Tji x=P\qjSa q = parseInt(q);
m+[Ux{$ p = parseFloat(p);
jvL[
JI,b =&]g "a' txts[txts.length-1].value = (q * p).toFixed(2);
v@L;x [Q }
6<QQ@5_ </script>
4xje$/_d
QZ n b?lTX~ |0b`fOS T.BW H2gRP 24.datagrid选定比较底下的行时,为什么总是刷新一下,然后就滚动到了最上面,刚才选定的行因屏幕的关系就看不到了。
6%_nZvRv page_load
.t!x<B page.smartNavigation=true
KkbD W3- R&k<AZ 25.在Datagrid中修改数据,当点击编辑键时,数据出现在文本框中,怎么控制文本框的大小 ?
7`'Tb p private void DataGrid1_ItemDataBound(obj sender,DataGridItemEventArgs e)
eq;uO6[ {
{4Cmu;u for(int i=0;i<e.Item.Cells.Count-1;i++)
'-~~-}= sJ if(e.Item.ItemType==ListItemType.EditType)
;4|15S {
O_7|C\] e.Item.Cells.Attributes.Add("Width", "80px")
_]H&,</ }
p_%Rt"! }
2fd{hJDq;5 }19\.z&J 26.对话框
x'<X!gw private static string ScriptBegin = "<script language=\"JavaScript\">";
)3EY; private static string ScriptEnd = "</script>";
mCVFS=8V 2E'UZ
m public static void ConfirmMessageBox(string PageTarget,string Content)
)jP1or {
/*mI<[xb string ConfirmContent="var retValue=window.confirm(’"+Content+"’);"+"if(retValue){window.location=’"+PageTarget+"’;}";
8&slu{M-
t A3/k@S-R2 ConfirmContent=ScriptBegin + ConfirmContent + ScriptEnd;
kt:!
7 EaN6^S= Page ParameterPage = (Page)System.Web.HttpContext.Current.Handler;
XXa|BZ1RX ParameterPage.RegisterStartupScript("confirm",ConfirmContent);
Rima;9.Y0 //Response.Write(strScript);
U>N1Od4vTO }
wbl& $xN|5;+ 27. 将时间格式化:string aa=DateTime.Now.ToString("yyyy年MM月dd日");
&D*b|ilvc g}c~ :p 1.1 取当前年月日时分秒
vEJbA currentTime=System.DateTime.Now;
9\7en%( M 'D1xh~ 1.2 取当前年
N(yzk_~ int 年= DateTime.Now.Year;
PEZ!n.'S |yPu!pfl 1.3 取当前月
Cp0=k int 月= DateTime.Now.Month;
nU7[c| = UkFC~17P 1.4 取当前日
=rdV ]{Wc int 日= DateTime.Now.Day;
Z *x'+X )9]P MA?u 1.5 取当前时
vnuN6M{ int 时= DateTime.Now.Hour;
jmG~Un M AA>P`C$&M 1.6 取当前分
La[V$+Y int 分= DateTime.Now.Minute;
N8df8=.kw _|`S3}q|d 1.7 取当前秒
P]C<U aW'! int 秒= DateTime.Now.Second;
x]j W<A xyXa . 1.8 取当前毫秒
=?8@#]G+ int 毫秒= DateTime.Now.Millisecond;
ftSW
(og j1<Yg,_.p 28.自定义分页代码:
&UFZS94@r cU 先定义变量 :
+lTq^4 public static int pageCount; //总页面数
Q+{n-? : public static int curPageIndex=1; //当前页面
);YDtGip J r.U`Kh]K 下一页:
|w3M7;~eF if(DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
VIbq:U {
N2o7%gJw DataGrid1.CurrentPageIndex += 1;
;kKyksxlD curPageIndex+=1;
.6J$,.Ig }
# f\rt
n=q76W\ bind(); // DataGrid1数据绑定函数
e' <)V_ `d(ThP;g 上一页:
\b>]8Un" if(DataGrid1.CurrentPageIndex >0)
fN2lLn9/u {
-:rUw$3J DataGrid1.CurrentPageIndex += 1;
/mZE/>&~, curPageIndex-=1;
19] E 5'AI }
+w~oH = 'N(R_q6MW bind(); // DataGrid1数据绑定函数
GA.8@3 D6Wa.,r 直接页面跳转:
1.>m@Slr> int a=int.Parse(JumpPage.Value.Trim());//JumpPage.Value.Trim()为跳转值
lLIAw$ 1
TXioDs=_ if(a<DataGrid1.PageCount)
cH)";]k*- {
]_$[8#kg this.DataGrid1.CurrentPageIndex=a;
&e3.:[~_? }
Z30A{6} 2Z%O7V~u bind();
ss-D(K" c*M}N?|6 29.DataGrid使用:
cc3 4e Q59W#e) 添加删除确认:
@o.I ;}*N private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
UCWBYC+ {
S,=|AD foreach(DataGridItem di in this.DataGrid1.Items)
b`_Q8 J {
FgO)DQm if(di.ItemType==ListItemType.Item||di.ItemType==ListItemType.AlternatingItem)
?X;RLpEc|A {
;wD)hNLAvR ((LinkButton)di.Cells[8].Controls[0]).Attributes.Add("onclick","return confirm(’确认删除此项吗?’);");
:hA#m[ }
Q@H V- (A }
c`Wa^( }
u= yOu^={ QS j]ZA 样式交替:
%>s|j'{ ListItemType itemType = e.Item.ItemType;
rLT!To .p$(ZH =~ if (itemType == ListItemType.Item )
y> (w\K9W {
H[|~/0?K e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#FFFFFF’;";
_XT pU e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
ET >](l9 }
CQ2jP
G*py else if( itemType == ListItemType.AlternatingItem)
^}C\zW {
a: K[ y e.Item.Attributes["onmouseout"] = "javascript:this.style.backgroundColor=’#a0d7c4’;";
8r!zBKq2~ e.Item.Attributes["onmouseover"] = "javascript:this.style.backgroundColor=’#d9ece1’;cursor=’hand’;" ;
~_ a-E }
ze;KhUPRm jq-_4}w?C 添加一个编号列:
(I}v[W DataTable dt= c.ExecuteRtnTableForAccess(sqltxt); //执行sql返回的DataTable
Qei"'~1a DataColumn dc=dt.Columns.Add("number",System.Type.GetType("System.String"));
RGX=) \C1nZk?3 for(int i=0;i<dt.Rows.Count;i++)
$7uA%|\ {
p<;0g9,1 dt.Rows["number"]=(i+1).ToString();
L.WljNo }
uwBiW &"q=5e2 DataGrid1.DataSource=dt;
o`RKXfCq DataGrid1.DataBind();
fxIf|9Qi` snikn& DataGrid1中添加一个CheckBox,页面中添加一个全选框
2:= private void CheckBox2_CheckedChanged(object sender, System.EventArgs e)
9)=ctoZ' {
RX5dO% foreach(DataGridItem thisitem in DataGrid1.Items)
b_):MQ1{ {
YgoBHE0# ((CheckBox)thisitem.Cells[0].Controls[1]).Checked=CheckBox2.Checked;
188*XCtjQ9 }
as_PoCoss }
eR" <33{ {qMIGwu 将当前页面中DataGrid1显示的数据全部删除
40<mrVl foreach(DataGridItem thisitem in DataGrid1.Items)
PiYxk+N {
OBAi2Vw if(((CheckBox)thisitem.Cells[0].Controls[1]).Checked)
B93+BwN>95 {
eGHaY4| string strloginid= DataGrid1.DataKeys[thisitem.ItemIndex].ToString();
m9Hit8f@Q Del (strloginid); //删除函数
r0gJpttDl }
N8FF3}>
g }
?S$P9^ii' "FKOaQ%IH 30.当文件在不同目录下,需要获取数据库连接字符串(如果连接字符串放在Web.config,然后在Global.asax中初始化)
{Dmjm{
&9)\wnOS 在Application_Start中添加以下代码:
#
4PVVu< Application["ConnStr"]=this.Context.Request.PhysicalApplicationPath+ConfigurationSettings.
:[!j?)%> AppSettings["ConnStr"].ToString();
uU25iDn bbyg8;/ 31. 变量.ToString()
*=7U4W >
"=>3 字符型转换 转为字符串
igR";OQk 12345.ToString("n"); //生成 12,345.00
;BIY^6,7e 12345.ToString("C"); //生成 ¥12,345.00
Np0u,t%vs 12345.ToString("e"); //生成 1.234500e+004
KMjhZap% 12345.ToString("f4"); //生成 12345.0000
xX4N4vb 12345.ToString("x"); //生成 3039 (16进制)
6b \&~b@T 12345.ToString("p"); //生成 1,234,500.00%
'y3!fN=h OH(waKq2I 32、变量.Substring(参数1,参数2);
pD#rnp>WWt = {wcfhUl+ 截取字串的一部分,参数1为左起始位数,参数2为截取几位。 如:string s1 = str.Substring(0,2);
"~C,bk V /V9B2.$ 33.在自己的网站上登陆其他网站:(如果你的页面是通过嵌套方式的话,因为一个页面只能有一个FORM,这时可以导向另外一个页面再提交登陆信息)
7Da` <SCRIPT language="javascript">
_8_R 1s <!--
?'{SX9 function gook(pws)
wov\kV {
BeoDKdAwY frm.submit();
o="M }
\ Et3|Iv //-->
zsyIV!( orMwAV </SCRIPT> <body leftMargin="0" topMargin="0" onload="javascript:gook()" marginwidth="0" marginheight="0">
k5.Lna <form name="frm" action="
http://220.194.55.68:6080/login.php?retid=7259 " method="post">
T!WT;A <tr>
!\.pq 2 <td>
*]/zc1Q4M <input id="f_user" type="hidden" size="1" name="f_user" runat="server">
D (?DW}Rqs <input id="f_domain" type="hidden" size="1" name="f_domain" runat="server">
A!WKnb_` <input class="box" id="f_pass" type="hidden" size="1" name="pwshow" runat="server">
* kDC liL A1>OY^p3% <INPUT id="lng" type="hidden" maxLength="20" size="1" value="5" name="lng">
{dMsz
<INPUT id="tem" type="hidden" size="1" value="2" name="tem">
j0evq+ Ata:^qI </td>
9} M?P hVAn>_( </tr>
a>I+]`g ( !fKNia@S </form>
BdblLUGK# J({Xg? 文本框的名称必须是你要登陆的网页上的名称,如果源码不行可以用vsniffer 看看。
9FYUo gS]@I0y8
. 下面是获取用户输入的登陆信息的代码:
4`]^@"{ string name;
D_^
nI: name=Request.QueryString["EmailName"];
]uJ"?k= *>'V1b4} try
V0.vQ/ {
?5|>@> int a=name.IndexOf("@",0,name.Length);
zFws:_ i f_user.Value=name.Substring(0,a);
QIvVcfM^ f_domain.Value=name.Substring(a+1,name.Length-(a+1));
JZ*/,|1}EC f_pass.Value=Request.QueryString["Psw"];
@oY~..d` }
9gEwh< ]kRfB:4ED catch
lN?qp'%H` {
A) %/[GD2 Script.Alert("错误的邮箱!");
L Mbn Server.Transfer("index.aspx");
0gy/:T }